/**
 * Copyright (C) 2017 - 2020 https://github.com/joewee
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.bifrost.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 配置跨域设置解决前后端分离开发调试跨域问题
 *
 * @author bifrost
 * @version 1.0.0
 * @Date 2017/10/13 10:49
 */
@Configuration
public class CorsConfiguration {
    @Bean
    public FilterRegistrationBean filterRegistrationBean() {
        // 对响应头进行CORS授权
        org.springframework.web.cors.CorsConfiguration configuration = new org.springframework.web.cors.CorsConfiguration();
        configuration.addAllowedHeader("*");
        configuration.addAllowedMethod("*");
        configuration.addAllowedOrigin("*");
        configuration.setAllowCredentials(true);
        configuration.setMaxAge(3600L);

        // 注册CORS过滤器
        UrlBasedCorsConfigurationSource configurationSource = new UrlBasedCorsConfigurationSource();
        configurationSource.registerCorsConfiguration("/**", configuration);
        CorsFilter corsFilter = new CorsFilter(configurationSource);
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(corsFilter);
        filterRegistrationBean.setOrder(1);
        return filterRegistrationBean;
    }
}
